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    Home » Recipes » Dessert

    Published: May 24, 2021 · Last Modified: Oct 1, 2022 by kelsey

    Rhubarb Dump Cake

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    This rhubarb dessert is as easy as it gets! With tart rhubarb, strawberry Jell-O, cake mix topping and a drizzle of butter, this Rhubarb Dump Cake is sure to be a hit!

    Jump to Recipe
    Rhubarb Dump Cake on a white plate

    Yep, that's right.....yet ANOTHER rhubarb recipe. I just can't stop....but for good reason! I LOVE rhubarb and this is a recipe my mom made all the time when I was a little tyke and when rhubarb was in season.

    Though I have lots of rhubarb recipes on the blog, this one has to be the easiest. I mean, can it get easier than opening packages, dumping it into a pan and baking?! I think not. Give this one a try and let me know what you think! 🙂

    Rhubarb Dump Cake ingredients

    Ingredients Needed

    • Diced Rhubarb - Fresh or frozen will work!
    • Jell-O - Any red gelatin works well. I typically use strawberry, but you could also use cherry or raspberry!
    • Sugar
    • Cake Mix - Yellow cake mix is my favorite! White cake mix would also work great.
    • Butter - I highly recommend using salted butter in this recipe!
    • Water

    How to Make a Dump Cake

    I don't love the name "Dump Cake"....I just feel like it doesn't do this stuff justice! But it does help explain how darned easy this recipe is. It requires NO stirring at all - just dump and bake! Check out the step-by-step photos below:

    rhubarb pieces in a greased 9x13 inch pan
    Add rhubarb in a greased 9x13 baking dish
    red Jell-o dumped over rhubarb pieces
    Sprinkle with gelatin over the rhubarb
    sugar dumped over the rhubarb and jell-o
    Now sprinkle the sugar on top
    cake mix sprinkled over the rhubarb, gelatin and sugar.
    Then add the cake mix
    melted butter drizzled over the cake mix.
    And next the melted butter
    Water poured over the flour and butter
    And lastly, the water. Time for the oven!

    How to Serve Rhubarb Dump Cake

    To serve rhubarb dump cake, I recommend serving it warm. However, it's still absolutely delicious once it's cooled off and even when it's refrigerated. And as an ice-cream fanatic, I totally recommend serving with a scoop of vanilla ice cream....Team #ALaMode all the way! 🙂

    Does a Dump Cake Need to be Refrigerated?

    Yes. Simply cover with plastic wrap or a tight-fitting lid and keep in the refrigerator for up to five days. Enjoy cold or toss it in the microwave for a few seconds to warm it back up!

    Scoop of rhubarb dump cake

    My other Favorite Rhubarb Recipes

    If you haven't tried my Rhubarb Muffins yet, you 100% absolutely NEED to. They're always a hit - so moist and fluffy and finished with a cinnamon sugar topping!

    Have you ever had a Rhubarb Cookie? If not, you're missing out! These soft cookies have tons of rhubarb and a smooth cream cheese frosting!

    You just can't go wrong with a solid Rhubarb Crisp. The tart filling, buttery crumble topping....so dreamy!

    And who doesn't love an easy & flavorful freezer jam?! Say hello to your (soon-to-be) new favorite - this Rhubarb Berry Jam!

    Birds eye view of a plate of rhubarb dessert with ice cream
    Rhubarb Dump Cake on a white plate

    Rhubarb Dump Cake

    Author:Kelsey
    This rhubarb dessert is as easy as it gets! With tart rhubarb, strawberry Jell-O, cake mix topping and a drizzle of butter, this Rhubarb Dump Cake is sure to be a hit!
    5 from 1 vote
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    Prevent your screen from going to sleep.
    Prep Time 5 minutes mins
    Cook Time 45 minutes mins
    Total Time 50 minutes mins
    Course Dessert
    Servings 12

    Equipment

    • Oven

    Ingredients
      

    • 4 c diced rhubarb
    • 1 3 oz pkg strawberry gelatin or other red gelatin
    • ½ c sugar
    • 1 pkg yellow cake mix
    • ½ c salted butter melted
    • 1 ⅔ c cold water

    Instructions
     

    • Preheat oven to 350°F and grease a 9x13" baking dish.
    • Layer the ingredients into the pan in the following order: rhubarb, gelatin, sugar, cake mix, melted butter, water.
    • Bake for 45-55 minutes, or until bubbly and golden brown.
    • Let cool for at least 15-30 minutes to set up a bit.
    • Serve warm with ice cream, if desired.
    Keyword dump cake
    Tried this recipe?Follow me at @dancearoundthekitchen.kelsey and let me know how you liked it!

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    about kelsey

    About Kelsey

    Combining my love for food and family is a pretty easy calculation. Almost all family gatherings include food… After all, a party without cake is just a meeting right? Read more...

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      Recipe Rating




    1. Julie woods says

      September 17, 2022 at 8:01 pm

      5 stars
      I have made this many time my grand kids love it great recipe

      Reply
      • kelsey says

        October 05, 2022 at 9:15 pm

        🙂 So happy to hear!!! -Kelsey

        Reply

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    Hi, I'm Kelsey! I am a wife, mother and BFFs with my KitchenAid mixer, happy to bring you easy meals and decadent desserts! Welcome to my blog!

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